4 axis cnc machining service
4-assig CNC-bewerking enables 360° precision with rotary A-axis, completing multi-surface parts in one setup with ±0.01 mm accuracy. Ideal for aerospace, medical, and automotive components with complex geometries.
- Accuracy up to 0.01mm
- ISO 9001:2015-gecertificeerd
- Delivery 1-5 days

4-axis cnc machining service with Weldo precison
Weldo offers expert 4-axis CNC machining for 100+ materials, achieving tolerances up to 0.005 mm. Engineers optimize material selection based on application, quality, and cost to ensure performance and maximize value.
what is 4-axis cnc machining ?
4-axis CNC machining is a high-precision manufacturing method within CNC technology. Building upon traditional 3-axis (X/Y/Z linear motion) capabilities, it incorporates an additional rotational axis (typically the A-axis or C-axis).
Through coordinated axis movement, it enables more complex three-dimensional machining to achieve planar or simple solid cutting.
Fourth Axis (Rotary Axis):
A-axis: Rotates around the X-axis (commonly found in vertical machining centers).
C-axis: Rotates around the Z-axis (commonly found in turning-milling centers or simplified versions of five-axis machines).
Function: Enables rotation of the workpiece or tool during machining, facilitating multi-angle and multi-surface processing without frequent re-clamping or adjustments.

Custom 4-axis cnc machining material
10+ years of 4-axis CNC experience, machining 100+ materials with ±0.005 mm tolerance; custom materials available.
Metaalsoort:

Aluminium
Aluminium is het meest gebruikte materiaal voor precisiebewerkte onderdelen. Het heeft een lage dichtheid, een harde structuur en is een zacht materiaal. Dankzij zijn corrosiebestendigheid wordt het op grote schaal gebruikt in de lucht- en ruimtevaart, bij de productie van bionische botten en bij de fabricage van auto-onderdelen.
Kleur : Zilver.
Soorten : Aluminium 6061, 7075, 2024, 5052, 6063 en MIC-6.
Oppervlakteafwerking : Polijsten, borstelen, zandstralen, verchromen, anodiseren, galvaniseren, poedercoaten, laseretsen.
Levertijd : 1-5 dagen.
Roestvrij staal
Roestvrij staal biedt een hoge corrosiebestendigheid en een glad, gemakkelijk te reinigen oppervlak. Het wordt voornamelijk gebruikt in onderdelen van keukenapparatuur, medische hulpmiddelen, bouwmaterialen en de bouw, evenals in auto-onderdelen.
Kleur : Zilver.
Soorten : Roestvrij staal 304/316/201/202/430/444/410/420/440c/2205/2507/17-4ph/17-7ph.
Oppervlakteafwerking : Polijsten, borstelen, zandstralen, galvaniseren, spuiten, PVD (Physical Vapor Deposition), passiveren, beitsen, kleuren.
Levertijd : 2-5 dagen.
Koper
Het materiaal bezit elektrische geleidbaarheid, trekductiliteit en antimicrobiële eigenschappen, en wordt voornamelijk gebruikt voor de verwerking tot ambachtelijke producten, decoratieve voorwerpen en medische apparatuur.
Kleur :Oranje, geel.
Soorten : koper H59/H62/Hpb59-1/C36000/HAI77-2/HSN62-1/HPb/HMn/HAl/HSn/HNi.
Oppervlakteafwerking: Passivering, galvaniseren, chemisch beplaten, kogelstoten, zandstralen, chemische filmbehandeling, polijsten, glansreiniging.
Levertijd : 1-5 dagen.

Brons
Bronze is a copper–tin alloy with good fluidity, low melting point, and corrosion resistance. It is used for bearings, gears, valves, sculptures, and marine parts like propellers and pumps.
Soorten : Tinbrons, aluminiumbrons, berylliumbrons, siliciumbrons, mangaanbrons.
Oppervlakteafwerking : Zandstralen, polijsten, kartelen, slijpen, passiveren, chemische coating, impregneren en kleuren, kleuren met een kwast of spuit, galvaniseren, anodiseren, poedercoaten, borstelen.
Levertijd : 1-5 dagen.

Staal
Steel is an iron–carbon alloy with elements like chromium and nickel, offering strength, toughness, wear, and corrosion resistance. It is widely used for bolts, shafts, gears, cutting tools, and engine components like valves and turbine blades.
Kleur : Zilver. .
Soorten : Staal S20C, S45C, S50C, SK85, SK95, 40Cr, 4140, 4130, H13, D2, W1, A2, D2, M2, SKD11, ASP-23, S136.
Oppervlakteafwerking:Zandstralen, spiegelglans, PVD-coating, geborstelde afwerking, spuitcoating, galvaniseren.
Levertijd : 1-5 dagen

Magnesium
Magnesium offers low density, good thermal conductivity, and easy machining, improving CNC efficiency. Its high strength-to-weight ratio and strong damping make it ideal for aerospace, automotive, and electronics applications.
Kleur : Zilver.
Soorten : Magnesiumlegering AZ91D/AM60B/AM50A/AS41B/ZK60/MB8/AZ31/WE43/ZE41/LA141/LZ91.
Oppervlakteafwerking: Chemische conversielak, anodiseren, vernikkelen, galvaniseren, composietcoating, spuitlakken, poedercoating, elektroforetische coating.
Levertijd : 1-5 dagen.
Kunststof:

ABS
ABS combines strength, toughness, and processability with good impact resistance, ideal for enclosures and auto parts.
Kleur : Beige, zwart.
Soorten : ABS voor algemeen gebruik, vlamvertragend, hittebestendig, zeer slagvast, transparant (MBS), met vulstoffen gemodificeerd, gelegeerd, gefunctionaliseerd.
Oppervlakteafwerking:Spuitcoating, galvaniseren, zeefdruk, lasergravure, hotstamping, vacuümcoating, watertransferdruk, zandstralen, anti-vingerafdrukcoating.
Levertijd : 1-5 dagen.

PVC
Hard PVC: Dichtheid ongeveer 1,35 g/cm³, hoge mechanische sterkte, treksterkte tot 34,5–49 MPa, rek 20–40%, zeer goed bestand tegen zuren, basen en oliën, verouderingsbestendig, geschikt voor chemische en corrosieve omgevingen.
Kleur : Wit, beige, zwart.
Soorten : Hard PVC en zacht PVC.
Oppervlakteafwerking: Verven en galvaniseren, polijsten, schuren
Levertijd : 1-5 dagen.

POM
High strength, low friction, and stable, easy to machine; ideal for gears, bearings, and industrial components.
Kleur : wit, zwart, blauw, geel, enz.
Soorten : POM-H, POM-C.
Oppervlakteafwerking: Polijsten, zandstralen, chemisch polijsten, laserpolijsten, anodiseren/lakken.
Levertijd : 1-5 dagen.

PMMA
High transparency (92%) plastic with good optics and low weight, used for lenses, light guides, and display covers.
Kleur : transparant, wit, zwart, gekleurd.
Soorten : Universeel gebruik / Slagvast / Hittebestendig / Parelmoerachtig.
Oppervlakteafwerking: Polijsten, verbeterde coating, zandstralen voor textuur, bedrukking voor kleuring, kras- en vingerafdrukwerende behandelingen.
Levertijd : 1-5 dagen.

PC
High-toughness thermoplastic with rigidity, insulation, and machinability, ideal for durable electronic and precision parts.
Kleur : wit of zwart.
Soorten : Algemeen bewerkbaar/vlamvertragend/versterkt/gemengd PC.
Oppervlakteafwerking: Polijsten, harden, spuiten, lasergraveren, galvaniseren, warmstempelen.
Levertijd : 1-5 dagen.

PA
PA (nylon) offers high tensile strength, low friction, and good heat resistance, making it ideal for gears, bearings, and high-load structural parts in automotive, electronics, and industrial machinery.
Kleur : Gekleurd.
Soorten : PA6, PA66, PA6T, PA9T.
Oppervlakteafwerking:Mechanisch slijpen, etsen met zuren of basen, hydrolysetchnologie, coating.
Levertijd : 1-5 dagen.

PE
PE is a low-melting thermoplastic with low friction and self-lubrication, ideal for sliding parts. It offers smooth machining, strong chemical resistance, and is used in containers, bins, and toys.
Kleur : zwart, wit, gekleurd.
Soorten : LDPE, HDPE, UHMWPE, PEX, PEX-A, PEX-B.
Oppervlakteafwerking:Polijsten, zandstralen, coaten, etsen.
Levertijd : 1-5 dagen.

PEEK
PEEK is a high-performance, semi-crystalline plastic with high strength, high temperature resistance, low friction, and excellent chemical stability. It is widely used in aerospace parts, high-temperature components, and medical devices.
Kleur : Beige, zwart.
Soorten : CF-PEEK, GF-PEEK, PEEK met vulstoffen zoals roet, keramiek, PTFE of grafiet.
Oppervlakteafwerking:Zandstralen, polijsten, metaalcoating, polymeercoating.
Levertijd : 1-5 dagen.

PP
PP is a semi-crystalline thermoplastic with good flow and flexibility. It requires temperature control during machining and is widely used for containers, connectors, and structural parts.
Kleur : zwart, wit, gekleurd.
Soorten : PP-H, PP-B, PP-R, HIPP.
Oppervlakteafwerking:Polijsten, zandstralen, coaten.
Levertijd : 1-5 dagen.

HDPE
HDPE is a linear thermoplastic with high impact resistance and good dimensional stability. Non-toxic and odorless, it is used for valves, pump parts, gears, bearings, and surfboard cores.
Kleur : zwart, wit.
Soorten : HI-HDPE, UV-HDPE, UHMWPE, met roet gevuld HDPE.
Oppervlakteafwerking:Polijsten, zandstralen, coaten.
Levertijd : 1-5 dagen.

HIPS
HIPS is a low-cost thermoplastic with high impact resistance, easy processing, and low moisture absorption. It is widely used in housings, packaging, and automotive interiors.
Kleur : zwart.
Soorten : Slagvast HIPS, met broom verrijkt vlamvertragend HIPS, met glasvezel versterkt HIPS.
Oppervlakteafwerking:Polijsten, zandstralen, coaten.
Levertijd : 1-5 dagen.
4-Axis cnc machining capability
Onze ISO 9001 Deze certificering toont aan dat onze gecombineerde draai- en freesonderdelen voldoen aan strenge tolerantienormen. Wij houden ons aan de tolerantienormen van ISO 2768f voor CNC-gefreesde metalen en ISO 2768m voor kunststofonderdelen, waardoor u CNC-bewerkte onderdelen kunt verkrijgen die aan zeer nauwkeurige bewerkingsnormen voldoen.
| Onroerend goed | Beschrijving |
|---|---|
| Maximale afmetingen van het onderdeel | Maximum machining diameter up to 600 mm and length up to 1200 mm. 4-axis indexing supports longer and more complex parts. |
| Minimale onderdeelafmeting | Minimum machinable diameter as small as 3 mm, depending on part geometry and material. |
| Algemene tolerantie | Standard tolerance ±0.01 mm; tighter tolerances down to ±0.005 mm achievable with optimized 4-axis setups. |
| Levertijd | Prototypes binnen 1–3 dagen; productie van kleine series binnen 3–5 dagen, met spoedopties binnen 24–48 uur. |
4-axis cnc machining design guideline
| Artikel | Aanbevolen maat |
|---|---|
| Straal | Minimum inner radius ≥ 2 mm. With 4-axis positioning, larger radii up to 500 mm can be machined depending on part size and material. |
| Schroefdraad en schroefgaten | External and internal threads from M2 to M50. A minimum thread length of 1.5× the diameter is recommended for stability during multi-axis machining. |
| Minimale wanddikte | Recommended minimum wall thickness: 1 mm for metals and 1.5 mm for plastics to maintain rigidity during 4-axis indexed machining. |
| Tekst | Recommended engraving depth 0.5–2 mm with character height 1–10 mm, suitable for multi-face engraving using 4-axis rotation. |
| Gaten | Minimum hole diameter 1 mm. Recommended depth ≤ 5× diameter; maximum achievable depth up to 10× diameter with controlled 4-axis positioning. |
4 axis cnc milling parts display
Our 4-axis CNC machining services effortlessly handle Complex surfaces, three-dimensional solids machining, encompassing plastics, metals, large components, and small-batch production. Tolerances can be controlled to as low as 0.001 inch.








Advantage of 4 axis cnc machining
Efficiency Enhancement: 4-axis reduces setups by enabling multi-surface machining in one clamping, saving time and improving accuracy.
Enhanced Precision: Rotary axes allow multi-angle machining, ensuring high accuracy for complex geometries and structures.
Complex Part Capability: Suitable for aerospace, medical, and automotive parts with intricate shapes and high precision needs.
Surface Quality & Tool Life: Improves surface finish and reduces tool wear, enhancing quality and extending tool lifespan.
Application of 4 axis cnc machining
Aerospace Industry: Produces turbine blades and engine parts with high precision and complex multi-angle machining.
Autoproductie: Machines engine parts, shafts, and gears with high accuracy for demanding automotive applications.
Medical Device Industry: Ensures precision and surface quality for implants, instruments, and medical components.
Mold Manufacturing Industry: Creates mold cores and cavities with complex shapes for injection and die-casting molds.
FAQ of 4 axis cnc machining
What is the core difference between 4-axis CNC machining and 3-axis CNC?
4-axis CNC adds a rotary axis (typically A-axis or B-axis) to the traditional X//Z 3-axis system, enabling theworkpiece or tool to rotate during machining. This breakthrough achieves:Multi-sided machining capability: Completes multiple side cuts in one setup, reducing manual intervention.Complex surface molding: Precisely machines helical grooves, curved holes, and other 3D structures through
coordinated rotary-linear motion.Efficiency improvement: For turbine blades, 4-axis machining reduces processing time by 40% while improvingsurface finish.
Contrast with 3-axis: 3-axis CNC can only move linearly, reguiring multiple setups or manual angle adjustments forcomplex shapes, which lowers efficiency and increases precision risks.
In which scenarios must 4-axis CNC machining be used instead of 3-axis?
4-axis CNC is preferable when workpieces feature:
Multi-angle features: Such as inclined holes in engine blocks or irregular interfaces in medical devices.Surface continuity requirements: Aerospace turbine blades require one-step molding of streamlined curves to
avoid seams.
Micro-precision parts: Miniature threads or heat sinks in electronic components need micron-level accuracy via
rotary axis.
. High-efficiency demands: in automotive mold making, 4-axis reduces setup time by over 50%, significantly cutting
production costs.
Counterexample: Simple flat parts (e.g., plates, square blocks) don’t require 4-axis as 3-axis CNC can efficiently
complete them.
How adaptable is 4-axis CNC machining for different materials?
4-axis CNC can process various materials, but process parameters must adjust based on material properties.
Metals:Aluminum/Steel: Widely used in aerospace and automotive, requiring high RP (8,000-12,000) and coolant toprevent overheating.
Titanium Alloy: For medical implants, low cutting speed (200-500 RP) and carbide tools are needed to avoid toolwear.
Non-metals:
Engineering Plastics (e.g. PEEK): Used in electronic housings, requiring low cutting force to prevent deformation.Composites (e.g., carbon fiber): Need specialized tools and vacuum chucks to avoid delamination.Key Point: Material hardness and thermal conductivity directly affect machining parameters, necessitating trial cutsto optimize the process.
Is the cost of 4-axis CNC machining significantly higher than 3-axis?
Cost differences require holistic evaluation of short-term investment vs. long-term benefits:Initial Cost: 4-axis CNC equipment typically costs 30%-50% more than 3-axis due to added rotary-axis complexity.Operational Costs:
Tool Consumption: Complex machining may increase tool wear, but path optimization can reduce consumption by
10%6-20%.Maintenance: Rotary axes require regular calibration, increasing annual maintenance costs by ~15%Long-term Benefits:
Efficiency Gains: For automotive molds, 4-axis reduces manual intervention by 60%, cutting per-piece costs by25%.
Quality Advantages: Reduced setup errors improve yield rates by 10%-15%, lowering rework costs.Conclusion: For complex parts or mass production, 4-axis CNC has lower long-term costs; for simple parts, 3-axis ismore economical.
How can companies determine if they need to upgrade to 4-axis CNC?
Evaluate upgrade necessity through these dimensions:Product Complexity: lf parts contain multi-angle features or curved surfaces, 3-axis machining requires multiplesetups with compromised precision. Upgrading to 4-axis significantly improves quality.Production Scale: In mass production, 4-axis CNC reduces per-piece cycle time by 30%-50% through fewer setups.
quickly recovering equipment costs.. Industry Requirements: Aerospace and medical sectors demand ultra-high precision and reliability, making 4-axisCNC essential for compliance.
Technical Bottlenecks: lf existing 3-axis equipment cannot achieve design requirements (e.g. micro-threads,irregular holes), upgrading to 4-axis is the only solution.ase Study: An automotive parts manufacturer upgraded to 4-axis, reducing processing time for a transmission shaffrom 45 to 28 minutes, saving over ¥2 million annually.